RT8122-40-1M2

Overview

The RT8122-40-1M2 is a horizontal two-line common mode choke from the RT-Series, manufactured by TE Connectivity / Schaffner. It features a copper core and through-hole PCB mounting with a maximum DC current rating of 40 A. The inductance is 1.2 mH with a tolerance of 1%, and the maximum DC resistance is 2.2 mOhms. Operating temperatures range from -40°C to +125°C. Physical dimensions include a height of 37 mm and a diameter of 55.4 mm. The component is unshielded and designed for AC/DC filtering applications.

Feature Summary

• Horizontal two-line configuration for efficient PCB space utilization
• Copper core construction for high-current handling capabilities
• Through-hole termination for robust mechanical attachment

Applications

• EV Charging systems
• AC and DC power line filtering
• Industrial automation equipment

Procurement Notes

Verify the specific suffix '1M2' confirms the 1.2 mH inductance value during procurement. Confirm the manufacturer designation as TE Connectivity / Schaffner to ensure authenticity. Check RoHS compliance status via official documentation before integration. Ensure the through-hole footprint matches the design layout requirements.

Selection Notes

Select this component for applications requiring high current capacity up to 40 A with precise inductance control. The copper core offers distinct thermal and magnetic properties compared to ferrite alternatives. Evaluate the physical dimensions against available board space constraints. Consider the operating temperature range for environmental suitability.

Part Context

This part belongs to the RT-Series common mode chokes, designed for electromagnetic interference suppression in power electronics. The series includes various current and inductance ratings to support diverse industrial and automotive power conversion needs.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source data.